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package MainWindow;
use strict;
use warnings;
use QtCore4;
use QtGui4;
use Qt::GlobalSpace qw( qsrand qrand );
use QtCore4::isa qw( Qt::MainWindow );
use QtCore4::slots
openImage => [],
setupPuzzle => [],
setCompleted => [];
use PiecesList;
use PuzzleWidget;
use List::Util qw( min );
use POSIX qw(RAND_MAX);
sub puzzleImage() {
return this->{puzzleImage};
}
sub piecesList() {
return this->{piecesList};
}
sub puzzleWidget() {
return this->{puzzleWidget};
}
sub NEW
{
my ( $class, $parent ) = @_;
$class->SUPER::NEW( $parent );
this->setupMenus();
this->setupWidgets();
this->setSizePolicy(Qt::SizePolicy(Qt::SizePolicy::Fixed(), Qt::SizePolicy::Fixed()));
this->setWindowTitle(this->tr('Puzzle'));
}
sub openImage
{
my ($path) = @_;
my $fileName = $path;
if (!$fileName) {
$fileName = Qt::FileDialog::getOpenFileName(this,
this->tr('Open Image'), '', this->tr('Image Files (*.png *.jpg *.bmp)'));
}
if ($fileName) {
my $newImage = Qt::Pixmap();
if (!$newImage->load($fileName)) {
Qt::MessageBox::warning(this, this->tr('Open Image'),
this->tr('The image file could not be loaded.'),
Qt::MessageBox::Cancel());
return;
}
this->{puzzleImage} = $newImage;
this->setupPuzzle();
}
}
sub setCompleted
{
Qt::MessageBox::information(this, this->tr('Puzzle Completed'),
this->tr("Congratulations! You have completed the puzzle!\n" .
'Click OK to start again.'),
Qt::MessageBox::Ok());
this->setupPuzzle();
}
sub setupPuzzle
{
my $size = min(this->puzzleImage->width(), this->puzzleImage->height());
this->{puzzleImage} = this->puzzleImage->copy((this->puzzleImage->width() - $size)/2,
(this->puzzleImage->height() - $size)/2, $size, $size)->scaled(400,
400, Qt::IgnoreAspectRatio(), Qt::SmoothTransformation());
this->piecesList->clear();
for (my $y = 0; $y < 5; ++$y) {
for (my $x = 0; $x < 5; ++$x) {
my $pieceImage = this->puzzleImage->copy($x*80, $y*80, 80, 80);
this->piecesList->addPiece($pieceImage, Qt::Point($x, $y));
}
}
qsrand(Qt::Cursor::pos()->x() ^ Qt::Cursor::pos()->y());
for (my $i = 0; $i < this->piecesList->count(); ++$i) {
if (int(2.0*qrand()/(RAND_MAX+1.0)) == 1) {
my $item = this->piecesList->takeItem($i);
this->piecesList->insertItem(0, $item);
}
}
this->puzzleWidget->clear();
}
sub setupMenus
{
my $fileMenu = this->menuBar()->addMenu(this->tr('&File'));
my $openAction = $fileMenu->addAction(this->tr('&Open...'));
$openAction->setShortcut(Qt::KeySequence(this->tr('Ctrl+O')));
my $exitAction = $fileMenu->addAction(this->tr('E&xit'));
$exitAction->setShortcut(Qt::KeySequence(this->tr('Ctrl+Q')));
my $gameMenu = this->menuBar()->addMenu(this->tr('&Game'));
my $restartAction = $gameMenu->addAction(this->tr('&Restart'));
this->connect($openAction, SIGNAL 'triggered()', this, SLOT 'openImage()');
this->connect($exitAction, SIGNAL 'triggered()', qApp, SLOT 'quit()');
this->connect($restartAction, SIGNAL 'triggered()', this, SLOT 'setupPuzzle()');
}
sub setupWidgets
{
my $frame = Qt::Frame();
my $frameLayout = Qt::HBoxLayout($frame);
this->{piecesList} = PiecesList();
this->{puzzleWidget} = PuzzleWidget();
this->connect(this->puzzleWidget, SIGNAL 'puzzleCompleted()',
this, SLOT 'setCompleted()', Qt::QueuedConnection());
$frameLayout->addWidget(this->piecesList);
$frameLayout->addWidget(this->puzzleWidget);
this->setCentralWidget($frame);
}
1;
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